Tire-structure.



' P. M. DEVEN'IS.

TIRE STRUCTURE.' Y

APPLICATION FILED IIIAII. 3| ISITI 1,245,60, Patented oet. 30, 1917.

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PETER M. nEvE'NIS, or ,WATERBUEag CONNECTICUT.

TIRE STRUCTURE.

Application ledliaroh 3, 1917. Serial No. 152,359.

To all tti/0m t muy concern.'

Be it known that I, PETER MICHAEL Dnvnxis, a citizen of the United States, re-

siding at ll'Taterbury, in the county of New riaven and State of Connecticut, have invented certain new and useful Improvements in Tire Structures, of which the following is a specification.

My invention relates to improvements in tire structures, and the object of my improvement is to produce a tire. structure suitable for use on wheels of automobiles, an d which has incorporated Within the structure :i pneumatic inner tube, and is constructed so as to obtain substantially all the advantages of a pneumatic tire, and at the same time the inner tube is shielded against ieing punctured by nails, glass and other damaging objects and materials such as liable to be encountered on the roadway.

ln the accompanying drawing Figure 1 is a side elevation of a. tire structure and part of a wooden fellyof a wheel embodying my invention.

Fig. 2 is a view of the other side of the same.

Fig. scale, Fig. 1. l

Fig. 4 is a similar view of partof the structure shown in Fig. 2,

Fig. 5 is a sectional view on the line fc of Fig. 1.

Fig. 6 is a sectional View on the line y y of Fig. 5.

My improved tire structure comprises a metal casing that is mounted on the Wooden felly 10 of a wheel for an automobile, and incloses a pneumatic inner tube 11 of rubber suitable for being inflated, and which may be provided on the periphery with a circumferential channel 12 in which issea-ted a solid tire 13, that serves as the tread portion of the tire structure. Y

The inner tube 11 is entirely inclosed with- 3 is a side elevation, on an enlarged of part of the structure shown in in the casing and viny order to'permit of access thereto and to permit of free movement due to the combination of the load and the resiliency of the tube the saidcasing is made of two parts, comprising the inner part 14 that is mounted on the felly 10 and the outer part 15 that is provided with the channel 12 for the hard rubber tire 13, the said two parts having overlapping edge portions and being provided with means for being secured to the Wooden felly 10 that will permit of a limited amount of relatively free movement of the two parts 14 and 15.

The body portion of the parts 14 and 15 combine to form a housing of approximately circular cross-section, the body portion 16 of the inner part 14 being of about the same dimensions asthe body portion 17 of the outer part 15, each comprising a semi-circle in extent and an appreciable excess to provide'ior the overlapping edges.

The overlapping edges are positioned and arranged as follows:

A pair of overlapping edges is positioned on the side, shown at the right in Fig. 5, near the outer portion, radially, of the structure, the edge portion 18 of the body portion l5 of theinner member 14 being outside of and orerlapping the edge 19 of the body portion 17 of the outer part 15.

Then there is another pair of edges overlapping in a generally similar manner, except that the edge k2O of the inner part 14 is on the inner side relatively to the edge 21 of the outer part 15.

The inner part 14 is provided along the inner border with a rim portion 22 that is suitably shaped to be seated on the wooden felly 10 generally after the manner of the metal rims as are in common use.

A set of radial bolts 23, shown as four in number, serve to hold the inner part 14 to the wooden wheel structure through the medium of the rim portion 22 and the Wooden felly 10.

As means for holding the two parts of the casing together I provide a set of clips 24, shown as six in number, secured in position by bolts andnuts 26.

The bolts 25 extend transversely across the wooden felly 10, passing through the suitable holes 27 therein, the .heads being on the right, and on the threaded portion at the left are mounted thev clips 24 mentioned, as shown in Fig. 5.

The said clips 24 comprise a body portion 28 that is mounted directly on the bolts 25 and an ear 29 that extends outwardly outside of the edge portion 21 of the outer part l5 and having a bearing surface. 30 on the side opposed to the said edge portion 21 that is in bearing engagement therewith.

The bearing surface 30 is generally fiat and of such length as to permit of a limited relative outward and inward movement of the overlapping edge portions 20 and 21 adoil he clps ,1-

wootj 'telly'.

ln operation the orerlapping edge portions 4I S'and l@ on one si( e and 2O and 2l on the other e pei-ate sliding surfaces, so lo n of limited relative movement VL zd .lo responsive to i oi:v the two of the inner tube when in use.

The orossseetion of the interior space, within the body gortions of the two parts il and if, and of the inner tube. housed therein, when ii Hated, is generally Y circular, as shown, it being understood that some other suitable form, for the same may be used.

ilse, other Changes may be made -from the particular construct-ion shown and described without departing' from the spirit and scope of my invention as claimed.

Considering the tire-.and rim structure as a Whole, it Will be noted that the same oomprises as--a lined part the unit Composed of the wooden telly and the inner part le and as a movable part the unit composed oi the outer parti and tl e solid tire mounted thereon, the said two units having overlappingparts suitable iior housing the inner tube, and, furthermore, the s two units are brought together somewhat after the manner ot a @over to a Container. There is involved Vin the Construction of the presentinieution, lier-terror, a Characteristic and fundamental (lider-once. in that there are two lines of Contact Vtoi' the engaging parts, in spaced relation, Vsuitable for receiving and housing the inner tube therebetween.V As the said lines of Contact are circular or circumferential, in order to permit of overlapping parte, as is necessary from practical standpoint, whereby in lieu of strictly lines or circles of Contact, there are provided Zones ot' contact of annular' form, formed by the said overlapping parts, one zone being on secureo to the Wooden telly of relapse 'the axis of the Wheel structure, after the manner oi applying a free cover to a container.

l claim as my invention :w

l. ln combination in av tire struct-ure, acasing comprising an inner part for being u Wheel', and an outer part for cooperating with the said Inner parU and haring tread portion on the periphery, the said parts having overlapping edge portions on opposite sides in sliding engagement, an inner tnbe housed Within Vthe said parts, a set of clips supported by the said telly, and thev said outer part being held in ope 'at-ive position by one of the said overlapping edOe portions of the inner part on one side and the said Clips on the other side.

in a tire structure, a divided easing structure for inelosing an inner tube, oomposed of twoparts, the said parts having overlapping portions arranged in :rv s nes, one on each side 'orp tl e axis oi the crosssection of the tube structure, each of the ture.

3. ln combination in a Wheel and tire structure, a lined unit composed of a telly and anY inner casing part mounted thereon, a movable unit composed of an outer casing part and a hard tire mounted thereon, means Jrior holding the said units together, the said easing parts haring means for housing an inner tube, Comprising cooperating shelllike parts, oitl semi-circular cross-section, and having overlapping border portions, and the said overlapping border portions being arranged in tiro Zones, of annular form, and one of greater diameter than the other, suitably to provide olea ance lior assembling the two parts.

PETER M. DEVENlS.

Copies of this notent may be obtained? for five cents each, by edressn the Commissioner of Patents Washington, E. C. 

